Table 2.
Area compressibility modulus (KA) and bending modulus (Kc) for different membrane models at 310 K.
| Membrane Bilayers | AA (7 nm) | CG (7 nm) | CG (42 nm) |
|---|---|---|---|
| K A (mN/m) | |||
| Pure-POPC | 188 ± 18 | 297 ± 3 | 282 ± 2 |
| POPC/POPE a | 191 ± 16 | 339 ± 3 | 306 ± 2 |
| Reference | 401 ± 48 | 457 ± 9 | 360 ± 22 |
| SM-rich | 532 ± 94 | 456 ± 8 | 396 ± 6 |
| GalCer-rich | 701 ± 94 | 526 ± 16 | 384 ± 23 |
| K c × 10 −20 (J) | |||
| Pure-POPC | 6.7 ± 0.7 | 10.2 ± 0.1 | 10.1 ± 0.1 |
aValues calculated using average area at equilibrium (Aeq) to define εA. Note, the use of Aeq in place of A0 affects KA values within the error in one-to-three component bilayers.